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A review on the occurrence, analytical methods, and impact of microplastics in the environment
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This review summarizes what is known about microplastic pollution across soil, water, and air environments, including how scientists detect and measure these particles. The evidence shows microplastics can disrupt immune function, cause nerve damage, and contribute to other health problems in living organisms. The authors note that research methods still need standardization, but the existing data clearly points to microplastics as a serious and growing threat to human health.
Nowadays, microplastic pollution is one of the globally urgent concerns as a result of discharging plastic products into the atmosphere, aquatic and soil environments. Microplastics have average size of less than 5 mm, are non-biodegradable, accumulative, and highly persistent substances. Thousands of tons of microplastics are still accumulated in various environments, posing an enormous threat to human health and living creatures. Here, we review the occurrence and analytical methods, and impact of microplastics in the environments including soil, aquatic media, and atmosphere. Analytical methods including visual observation, Fourier-transform infrared spectroscopy, Raman spectroscopy, scanning electron microscopy, and pyrolysis-gas chromatography-mass spectrometry were evaluated. We elucidated the environmental and human health impacts of microplastics with emphasis on life malfunction, immune disruption, neurotoxicity, diseases and other tangible health risks. This review also found some shortages of analytical equivalence and/or standardization, inconsistence in sampling collection and limited knowledge of microplastic toxicity. It is hopeful that the present work not only affords a more insight into the potential dangers of microplastics on human health but also urges future researches to establish new standardizations in analytical methods.
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This review summarizes the current state of knowledge on microplastic pollution in soil and water environments and its potential effects on human health. Researchers compiled evidence showing that microplastics are now found throughout food chains, drinking water, and air, creating multiple exposure pathways for people. The study highlights that while microplastic contamination is widespread, more research is needed to fully understand the long-term health implications of chronic human exposure.
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